ข้อมูลสัญลักษณ์จำแนกการออกแบบผลิตภัณฑ์ระหว่างประเทศ


รหัส / code คำอธิบาย / code name Version
E21D0011120000 Temporary supports for use during building; Accessories 1
E21D0011140000 Lining predominantly with metal 1
E21D0011150000 Plate linings; Laggings, i.e. linings designed for holding back formation material or for transmitting the load to main supporting members (insulation E21D0011380000) 1
E21D0011180000 Arch members 1
E21D0011200000 Special cross-sections, e.g. corrugated 1
E21D0011220000 Clamps or other yieldable means for interconnecting adjacent arch members either rigidly, or allowing arch member parts to slide when subjected to excessive pressure 1
E21D0011240000 Knuckle joints or links between arch members 1
E21D0011260000 Shoes for connecting arch members to longitudinal struts 1
E21D0011280000 Longitudinal struts 1
E21D0011300000 Bases for lower arch members (for props E21D0015540000) 1
E21D0011340000 Joints between vertical props and horizontal top bars (end caps forming part of the props E21D0015540000) 1
E21D0011360000 Linings or supports specially shaped for tunnels or galleries of irregular cross-section 1
E21D0011380000 Waterproofing (in general E02D0031000000); Heat insulating; Soundproofing; Electric insulating (for building constructions in general E04B0001620000) 1
E21D0011400000 Devices or apparatus specially adapted for handling or placing units of linings for tunnels or galleries 1
E21D0013000000 Large underground chambers; Methods or apparatus for making them (lining E21D0011000000) 1